With small size(48 x 29 x 21mm ),wide measuring range(DC 0-100V; 0-10A) and high accuracy(1% ( 1 digit)).; Display voltage and current simultaneously in different colors, red for voltage, blue for current.(the current is measured in the negative rail).; Require external power supply;With reversed connection protection.; Ground wire of testing end and power supply temninal is the same wire; quick refresh of about 500 ms/time; With built-in shunt,has voltage and current calibration potentiometers. Features: Operating voltage:DC 4.5 - 30V Measure voltage: DC 0 - 100V Minimum resolution(V): 0.1V Measure current :10A (measure directly,built-in shunt) Minimum resolution(A): 0.01A Operating current: Dimensions: 48 x 29 x 21mm Mounting cutout: 45.5 x 26.5mm Refresh rate: about 500mS / times Measure accuracy: 1% ( 1 digit) Operating temperature: -10 to 65 c Operating Humidity: 10 to 80% (non-condensing) Applications:Suitable for automotive/electric cars/motorcycles battery monitoring or other products voltage current measurement Wiring: Black line (thin): vacant or buck circuit (module) negative Red line (thin): power supply Black line (thick): COM, common measuring Red line (thick): PW, measuring terminal voltage input positive Yellow line (thick): IN, current input (Please refer to the wiring diagrams for more details) Notice: The voltage between the thin red and thin black lines must be within DC 4.5-30V The ammeter can only be connected to the negative of the device under test 10A below ammeter (include 10A), built-in shunt, does not require external shunt When the black thin line vacant, it is better to use insulating tape around the exposed part of the wire, to prevent short circuits If just be used as a voltmeter, it is recommended that the yellow line and the black line were connected together, to prevent the ammeter digital flashing Package include: 1x Digital Volt Ampere Meter Todos nuestros productos estan en inglés SKU 6022325521 CHUPAPRECIOSSomos una empresa original, fresca y alegre. Comprometidos en brindarles a nuestro clientes la opción de explorar y descubrir productos exclusivos, con una gran variedad de opciones, que al sonido de un solo click, puedan conseguir cualquier producto vía on-line y enviarlo en cualquier rincón de México.RAZONES PARA COMPRAR CON NOSOTROS* Compra con confianza somos mercadolíder.* Todos nuestros productos son nuevos y originales.* Todos nuestros productos cuentan con 1 mes de garantía.MÉTODO DE COMPRA1) Da click en comprar una vez que hayas resuelto todas tus dudas con nosotros.2) Elige la forma de entrega.3) Puedes pagar con Mercadopago de forma 100% segura.4) Tu paquete llega en un estimado de 4 a 8 días hábiles.PORQUÉ ELEGIRNOS?* MARCAS ORIGINALES (NO IMITACIONES)* SEGURIDAD: 100% COMPRA PROTEGIDA* DEVOLUCIÓN: SIN COSTOS ADICIONALES* CONFIANZA: SEGURIDAD EN TU PAGO